What does Isaiah 25:3 mean?
The concept of the Lord's judgment is terrifying. However, it is also necessary and right. Justice demands that the Lord hold humanity accountable for defying Him and living in rebellion against His commands. The people of God will rejoice when He brings His judgment against the earth. His judgement is righteous, and His action to defend His own glory will restore order and beauty to all things (Isaiah 25:2).That's why Isaiah says in this verse that "strong peoples will glorify the Lord." He equates strength with the humble submission to the God who created them. Weakness takes the form of ruthlessness. This is an attitude of being willing to do anything, no matter the cost, to defeat an enemy. The cities of ruthless nations will fear the Lord when they see His willingness to use His limitless strength to stop them from continuing to terrorize God's people. Their ruthlessness will be nothing before the might which the Lord brings down on them.